The overlap of genetic susceptibility to schizophrenia and cardiometabolic disease can be used to identify metabolically different groups of individuals

Rona J. Strawbridge*, Keira J. A. Johnston, Mark E. S. Bailey, Damiano Baldassarre, Breda Cullen, Per Eriksson, Ulf deFaire, Amy Ferguson, Bruna Gigante, Philippe Giral, Nicholas Graham, Anders Hamsten, Steve E. Humphries, Sudhir Kurl, Donald M. Lyall, Laura M. Lyall, Jill P. Pell, Matteo Pirro, Kai Savonen, Andries J. SmitElena Tremoli, Tomi-Pekka Tomainen, Fabrizio Veglia, Joey Ward, Bengt Sennblad, Daniel J. Smith

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

Understanding why individuals with severe mental illness (Schizophrenia, Bipolar Disorder and Major Depressive Disorder) have increased risk of cardiometabolic disease (including obesity, type 2 diabetes and cardiovascular disease), and identifying those at highest risk of cardiometabolic disease are important priority areas for researchers. For individuals with European ancestry we explored whether genetic variation could identify sub-groups with different metabolic profiles. Loci associated with schizophrenia, bipolar disorder and major depressive disorder from previous genome-wide association studies and loci that were also implicated in cardiometabolic processes and diseases were selected. In the IMPROVE study (a high cardiovascular risk sample) and UK Biobank (general population sample) multidimensional scaling was applied to genetic variants implicated in both psychiatric and cardiometabolic disorders. Visual inspection of the resulting plots used to identify distinct clusters. Differences between these clusters were assessed using chi-squared and Kruskall-Wallis tests. In IMPROVE, genetic loci associated with both schizophrenia and cardiometabolic disease (but not bipolar disorder or major depressive disorder) identified three groups of individuals with distinct metabolic profiles. This grouping was replicated within UK Biobank, with somewhat less distinction between metabolic profiles. This work focused on individuals of European ancestry and is unlikely

Original languageEnglish
Article number632
Number of pages13
JournalScientific Reports
Volume11
Issue number1
DOIs
Publication statusPublished - 12-Jan-2021

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